body {
  min-width: 320px;
  max-width: 750px;
  margin: 0 auto;
  height: 1200px;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
a {
  text-decoration: none;
}
@media screen and (min-width: 750px) {
  font-size: 37.5px !important;
}
/*标题*/
.header {
  height: 2.25rem;
  line-height: 2.25rem;
  font-size: 0.9rem;
  text-align: center;
  border-bottom: 1px solid black;
}
/*导航*/
.nav {
  display: flex;
  flex-flow: row wrap;
  /*flex布局有问题*/
  justify-content: space-between;
}
.nav a {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 33.3%;
}
.nav a img {
  height: 100px;
  width: 100px;
}
.nav a span {
  color: #868686;
  font-size: 0.3rem;
}
.topic {
  margin: 0 auto;
  margin-top: 0.875rem;
  padding-bottom: 1.375rem;
  border-bottom: 5px solid black;
}
.content .hd {
  margin-top: 1.25rem;
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  align-items: center;
}
.content .hd h4 {
  font-size: 0.75rem;
}
.content .hd h4 span {
  vertical-align: middle;
  display: inline-block;
}
.content .hd h4 span img {
  width: 40px;
  height: 40px;
}
.lunbo {
  border-bottom: 5px solid black;
  margin-top: 40px;
  position: relative;
}
.lunbo .swiper-container {
  height: 100%;
  width: 370px;
}
.lunbo .swiper-slide {
  text-align: center;
  font-size: 18px;
  background: #fff;
  /* Center slide text vertically */
  display: -webkit-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  -webkit-justify-content: center;
  flex-direction: column;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  -webkit-align-items: center;
  align-items: center;
  transition: 300ms;
  transform: scale(0.8);
  opacity: 0.4;
}
.lunbo .swiper-slide-active,
.lunbo .swiper-slide-duplicate-active {
  transform: scale(1);
  opacity: 1;
  z-index: 999;
}
.lunbo a {
  width: 169px;
  height: 188px;
}
.section .hd {
  margin-top: 1.25rem;
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  align-items: center;
}
.section .hd h4 {
  font-size: 0.75rem;
}
.section .hd h4 span {
  vertical-align: middle;
  display: inline-block;
}
.section .hd h4 span img {
  width: 40px;
  height: 40px;
}
.section {
  border-bottom: 5px solid black;
  margin-bottom: 30px;
  overflow: hidden;
}
.section .swiper {
  width: 100%;
  height: 100%;
}
.section .swiper-slide {
  text-align: center;
  font-size: 18px;
  background: #fff;
  /* Center slide text vertically */
  display: -webkit-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  -webkit-justify-content: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  -webkit-align-items: center;
  align-items: center;
}
.section .box {
  width: 136px;
  height: 160px;
  text-align: center;
}
.footer {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}
.footer a img {
  width: 50px;
  height: 50px;
}
